SYLLABICATION: fil·o·plume
NOUN: A hairlike feather having few or no barbs, usually located between contour feathers.
ETYMOLOGY: Latin flum, thread; see gwh- in Appendix I + plume.

As per Dr. Bill, I found this word in a book I am reading and thought I'd pop it in here and see if it flies.
The phrase, for context, is as follows:

"Lowering her filoplume lashes until they almost swept the blush from her cheeks..."
-Tom Robbins Fierce Invalids Home From Hot Climates